Identification of a novel functional nuclear localization signal in the protein encoded by open reading frame 47 of Bombyx mori nucleopolyhedrovirus

Identification of a novel functional nuclear localization signal in the protein encoded by open... BM47 is encoded by open reading frame 47 of Bombyx mori nucleopolyhedrovirus (BmNPV). BM47 was localized in the nucleus of BmNPV-infected cells. In the present study, we investigated a novel nuclear localization signal (NLS) for BM47 transport and accumulation in the nucleus. By expressing various regions of BM47 fused to enhanced green fluorescent protein (EGFP), we demonstrated that residues 117–148 are necessary for mediating nuclear localization of BM47. Site-directed mutation analysis showed that the two basic residue clusters at positions 117–120 ( 117 RKRR) and 144–148 ( 144 RKR-K) constitute an authentic NLS for BM47 localization. Finally, we observed that two clusters of basic residues were conserved in BM47 homologues of group-I nucleopolyhedroviruses. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

Identification of a novel functional nuclear localization signal in the protein encoded by open reading frame 47 of Bombyx mori nucleopolyhedrovirus

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Publisher
Springer Vienna
Copyright
Copyright © 2010 by Springer-Verlag
Subject
Biomedicine; Infectious Diseases; Medical Microbiology ; Virology
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s00705-010-0782-1
Publisher site
See Article on Publisher Site

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